opencv是目前广泛流行的一个开源图像处理库。基于它实现各种图像处理的二次开发都十分方便。本程序基于opencv简洁的实现了图像处理中的同态滤波器，注释清楚，便于大家学习和使用。-OpenCV is a widely popular open-source image processing library. Based on its various image processing to achieve the second development is very convenient. OpenCV procedures based on the simple realization of the image processing with the state filter, clear notes, help everyone to learn and use.